opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ChainedCommitCohort.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.cluster.datastore;
   9
  10 import com.google.common.base.Preconditions;
  11 import com.google.common.primitives.UnsignedLong;
  12 import com.google.common.util.concurrent.FutureCallback;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
  15 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  16 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip;
  17 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  18 import org.slf4j.Logger;
  19 import org.slf4j.LoggerFactory;
  20
  21 final class ChainedCommitCohort extends ShardDataTreeCohort {
  22     private static final Logger LOG = LoggerFactory.getLogger(ChainedCommitCohort.class);
  23     private final ReadWriteShardDataTreeTransaction transaction;
  24     private final ShardDataTreeTransactionChain chain;
  25     private final ShardDataTreeCohort delegate;
  26
  27     ChainedCommitCohort(final ShardDataTreeTransactionChain chain, final ReadWriteShardDataTreeTransaction transaction,
  28             final ShardDataTreeCohort delegate) {
  29         this.transaction = Preconditions.checkNotNull(transaction);
  30         this.delegate = Preconditions.checkNotNull(delegate);
  31         this.chain = Preconditions.checkNotNull(chain);
  32     }
  33
  34     @Override
  35     public void commit(final FutureCallback<UnsignedLong> callback) {
  36         delegate.commit(new FutureCallback<UnsignedLong>() {
  37             @Override
  38             public void onSuccess(final UnsignedLong result) {
  39                 chain.clearTransaction(transaction);
  40                 LOG.debug("Committed transaction {}", transaction);
  41                 callback.onSuccess(result);
  42             }
  43
  44             @Override
  45             public void onFailure(final Throwable failure) {
  46                 LOG.error("Transaction {} commit failed, cannot recover", transaction, failure);
  47                 callback.onFailure(failure);
  48             }
  49         });
  50     }
  51
  52     @Override
  53     public TransactionIdentifier getIdentifier() {
  54         return delegate.getIdentifier();
  55     }
  56
  57     @Override
  58     public void canCommit(final FutureCallback<Void> callback) {
  59         delegate.canCommit(callback);
  60     }
  61
  62     @Override
  63     public void preCommit(final FutureCallback<DataTreeCandidate> callback) {
  64         delegate.preCommit(callback);
  65     }
  66
  67     @Override
  68     public ListenableFuture<Void> abort() {
  69         return delegate.abort();
  70     }
  71
  72     @Override
  73     DataTreeCandidateTip getCandidate() {
  74         return delegate.getCandidate();
  75     }
  76
  77     @Override
  78     DataTreeModification getDataTreeModification() {
  79         return delegate.getDataTreeModification();
  80     }
  81
  82     @Override
  83     public boolean isFailed() {
  84         return delegate.isFailed();
  85     }
  86
  87     @Override
  88     public State getState() {
  89         return delegate.getState();
  90     }
  91 }